How to Sign XLSX with Barcode Signature using C#

Ensuring the authenticity and security of XLSX documents is of utmost important in the present time. As an effective way, It can achieve by adding a barcode signature to XLSX file format. In this tutorial, we will provide you detailed steps to sign XLSX with Barcode signature using C#. To streamline this process, we will lead you through a code example to create Barcode signature in XLSX using C#. Below are the essential steps needed to accomplish the document signing process.

Steps to Sign XLSX with Barcode Signature using C#

  1. Install GroupDocs.Signature for .NET via the NuGet package manager into your project in order to sign XLSX file using Barcode signature
  2. Add reference to the necessary namespaces for signing XLSX document
  3. Create object of Signature class by passing the path of input XLSX file as an argument to its constructor
  4. Create an object of the BarcodeSignOptions class and define the Barcode signature type, along with the preferred signing options
  5. Call the Signature.Sign method to sign XLSX and save output to disk

You can flawlessly integrate Barcode signature into XLSX in C# by following the above instructions. It helps to enhance the security and legal validity of your XLSX documents. The library we used in this topic is proposed to function easily on various platforms. So, these steps can be executed on popular operating systems like Windows, macOS, and Linux to sign XLSX document with Barcode signature. You just need to install .NET along with this library. Please refer to the code example below for signing process of XLSX.

Code to Sign XLSX with Barcode Signature using C#

using GroupDocs.Signature.Domain;
using GroupDocs.Signature.Options;
using GroupDocs.Signature;
namespace SignXLSXwithBarcodeSignatureUsingCSharp
{
internal class Program
{
static void Main(string[] args)
{
// Set License to avoid the limitations of Signature library
License lic = new License();
lic.SetLicense(@"GroupDocs.Signature.lic");
// load the source XLSX file
using (Signature signature = new Signature("input.xlsx"))
{
// Create Barcode options with predefined Barcode text
BarcodeSignOptions options = new BarcodeSignOptions("JohnSmith")
{
// Setup Barcode encoding type
EncodeType = BarcodeTypes.Code128,
// set signature position
Left = 50,
Top = 150,
Width = 200,
Height = 200
};
// Save the output XLSX file
signature.Sign("output.xlsx", options);
}
}
}
}

In conclusion, this topic has detailed the procedure of signing XLSX with Barcode signature using C#. We suggest you to explore and customize the provided code example according to your needs. It allows you to create adapted solutions that align perfectly with your requirements. After successfully configuring the suggested signature library and making the necessary file path adjustments, integrating the code into your projects to sign XLSX files becomes a smooth and straightforward endeavor.

In our earlier tutorial, we provided a comprehensive, step-by-step explanation of signing XLSX with QR Code. If you need further assistance, we highly recommend referring to our comprehensive guide that covers how to sign XLSX with QR Code using C#.

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